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Chiang Mai

$484+ Cheap flights from O'Hare Intl (ORD) to Chiang Mai (CNX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Chiang Mai are usually found in September or February, booked 13 days in advance, depart on a Tuesday or Wednesday and return on a Friday

Cheap flight deals from O'Hare Intl to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$845
(Ovago)

One-way from

$484
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$1,808
From Chicago O'Hare Intl to Chiang Mai
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One-way flight from Chicago O'Hare Intl to Chiang Mai
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Highest demand for flights based on searches. 22% potential increase in price ($385 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from O'Hare Intl to Chiang Mai

Cheapest flights from O'Hare Intl to Chiang Mai
Explore the most affordable flight options available from O'Hare Intl to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Ovago deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:00 pmORD - CNX
1 stop29h 45mCathay Pacific
Mon 9/810:30 amCNX - ORD
1 stop39h 55mCathay Pacific
Deal found 6/11$845
This Booking.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:45 pmORD - CNX
2 stops27h 35mMultiple Airlines
Tue 9/303:30 pmCNX - ORD
2 stops29h 10mMultiple Airlines
Deal found 6/10$894
This IEagle deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3112:30 amORD - CNX
1 stop21h 55mEVA Air
Tue 9/3011:35 amCNX - ORD
1 stop21h 10mEVA Air
Deal found 6/10$974
This Gurufare deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:05 amORD - CNX
1 stop23h 00mKorean Air
Mon 11/2412:15 amCNX - ORD
2 stops25h 24mKorean Air
Deal found 6/9$1,002
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:00 amORD - CNX
2 stops28h 05mDelta
Mon 11/2412:15 amCNX - ORD
2 stops36h 32mDelta
Deal found 6/11$1,028
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:00 amORD - CNX
2 stops40h 20mChina Airlines
Sat 11/111:25 amCNX - ORD
2 stops49h 34mChina Airlines
Deal found 6/11$1,065

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Chiang Mai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Chiang Mai that are best for you.

Fly from

O'Hare Intl

Fly to

Chiang Mai

Route

Depart

Return

Price

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 9/1

4:00 pm-9:45 am

1 stop29h 45m

Chiang Mai

Mon 9/8

10:30 am-2:25 pm

1 stop39h 55m

$845

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 9/1

5:45 pm-9:20 am

2 stops27h 35m

Chiang Mai

Tue 9/30

3:30 pm-8:40 am

2 stops29h 10m

$894

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 8/31

12:30 am-10:25 am

1 stop21h 55m

Chiang Mai

Tue 9/30

11:35 am-8:45 pm

1 stop21h 10m

$974

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 9/1

3:50 pm-9:55 pm

2 stops42h 05m

Chiang Mai

Mon 9/8

11:15 pm-9:35 pm

2 stops34h 20m

$1,057

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 9/1

7:10 am-11:40 pm

2 stops28h 30m

Chiang Mai

Sun 9/7

12:45 am-6:53 pm

2 stops30h 08m

$1,722

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 8/27

5:45 pm-9:20 am

2 stops27h 35m

$484

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 8/26

12:30 am-10:25 am

1 stop21h 55m

$567

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Mon 7/14

12:30 pm-9:55 pm

1 stop21h 25m

$629

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Tue 7/1

7:09 am-9:55 pm

2 stops26h 46m

$680

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 7/26

1:30 am-11:15 am

2 stops45h 45m

$686

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 results
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Best time to book a flight from O'Hare Intl to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Chiang Mai

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Chiang Mai?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Chiang Mai. Price data was last updated on June 9, 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Chiang Mai is 13 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Chiang Mai?

Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Chiang Mai (average of $1,012). Flying from Chicago O'Hare Intl Airport to Chiang Mai in December is currently the most expensive (average of $1,655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to CNX?

Find hourly flight availability from O'Hare Intl to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s optimal to fly from Chicago O'Hare Intl Airport to Chiang Mai at noon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the morning.

Rainfall in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 9.8 inches per month. September is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 in.

Temperature in Chiang Mai by month

Plan your trip to Chiang Mai by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated June 12, 2025.
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,490 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Delta
8.0
Very good
7,946 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Cathay Pacific
7.6
Good
892 reviews
EVA Air
8.4
Very good
1,202 reviews

Entertainment

8.0

Overall

8.4

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Chiang Mai from Chicago O'Hare Intl?

    Chiang Mai (CNX), located 1.9 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Chiang Mai. 4 airlines have flights to Chiang Mai from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Chiang Mai should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Chiang Mai round-trip?

    According to our current data, Cathay Pacific ($845), EVA Air ($974), and Korean Air ($1,056) offers the cheapest pricing from Chicago O'Hare Intl Airport to Chiang Mai. Cathay Pacific is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Chiang Mai one-way?

    To fly one-way, consider booking your trip with EVA Air, which is currently one of the cheapest options available, starting at $567. Korean Air flights start at $629 while deals on Delta start at $680 one-way.

  • Can I find deals for flights from O'Hare Intl to Chiang Mai that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Chiang Mai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Chiang Mai.

  • Can I find deals for business class flights from O'Hare Intl to Chiang Mai?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Chiang Mai?

    Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Chiang Mai (average of $1,012). Flying from Chicago O'Hare Intl Airport to Chiang Mai in December is currently the most expensive (average of $1,655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from O'Hare Intl to Chiang Mai

Discover the top 4 airlines that operate flights from O'Hare Intl to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$933Average$1,347FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$965Average$1,258FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$1,013Average$1,450FlexibilityNo cancel feeOn-time74%
DeltaCheapest$1,059Average$1,378FlexibilityNo cancel feeOn-timeN/A

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